OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

51.05°N, 4.63°EEurope/Brussels
Astronomical Twilight-12.5° (−12° to −18°)
19:52:00
Fri, Oct 23, 2026
PHOTOMETRIC TWILIGHT SPECTRUM10h 6m of true darkness · 13h 47m total night
DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)
TRUE DARK SKY WINDOW
Sunset18:32
Civil Dusk19:06
Nautical19:45
Full Dark20:23
Nadir01:26
Dark Ends06:29
Nautical07:07
Civil Dawn07:45
Sunrise08:19
LIVE REAL-TIME OBSERVATION
SunsetSunrise
LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry
30° ALT60° ALTZENITHNESW Polaris Vega Arcturus Capella Altair Deneb Saturn (0.3) Uranus (5.6) Neptune (7.8) Moon (93%)
LUNAR EPHEMERISWaxing Gibbous
ILLUMINATION93%
ALTITUDE22.9°
DISTANCE380,004 km
Moonrise17:14
Moonset06:05
HorizonAbove
LUNAR INTERFERENCE INDEX36% · Moderate Lunar Glow

Milky Way contrast is softened. Bright open clusters and double stars are optimal.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index
69/100
Good Stargazing

Fine observing conditions. Open star clusters and nebulae will exhibit crisp structure.

CLOUD COVER15%
HUMIDITY50%
VISIBILITY18 km
DEW POINT10.8°C
PLANETARY EPHEMERIS & ALMANAC

Visible Planets Tonight

PLANETSTATUSMAGNITUDEALTITUDEAZIMUTHCONSTELLATIONRISETRANSITSETEQUIPMENT
Venus♀ Below Horizon -4.3-18.6°265°Libra08:5313:2017:48Naked Eye
Jupiter♃ Below Horizon -2.0-21.5°338°Leo01:5709:1716:34Naked Eye
Saturn♄ Visible Low 0.316.4°109°Pisces18:0200:1206:21Naked Eye
Mars♂ Below Horizon 1.0-19.7°347°Cancer01:0308:4216:20Naked Eye
Mercury☿ Below Horizon 0.4-7.9°247°Libra10:3314:4418:54Binoculars
Uranus♅ Rising / Setting 5.60.5°55°Taurus19:4703:4311:44Binoculars
Neptune♆ Visible Low 7.819.3°116°Pisces17:4223:4205:43Telescope
TONIGHT'S VIEWING SCHEDULE

When & Where to Look Tonight

A simple guide to when each object is above your horizon. No astronomy chart reading required.

BEST TIMEHighest in your sky
The MoonNaked Eye · Good height
RISES17:14
BEST TIME23:31S · 41° high
SETS06:05
Reaches about 41° above the horizon at its highest point.Waxing Gibbous (93% illuminated). Moderate Lunar Glow.
JupiterNaked Eye · High in the sky
RISES01:57
BEST TIME09:17S · 53° high
SETS16:34
Reaches about 53° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.
SaturnNaked Eye · Good height
RISES18:02
BEST TIME00:12S · 40° high
SETS06:21
Reaches about 40° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.
VenusNaked Eye · Good height
RISES08:53
BEST TIME13:20S · 21° high
SETS17:48
Reaches about 21° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.
MarsNaked Eye · High in the sky
RISES01:03
BEST TIME08:42S · 57° high
SETS16:20
Reaches about 57° above the horizon at its highest point.Distinctive crimson hue; polar ice cap discernible near opposition.
OBSERVING LOG & TARGET LIST

Tonight's Prime Deep-Sky Targets

M31 / NGC 224 · Andromeda

Andromeda Galaxy

Spiral Galaxy (2.5M ly)

Our galactic neighbor; visible as a ghostly oval smudge with dense radiant stellar core.

M45 · Taurus

The Pleiades (Seven Sisters)

Open Star Cluster

Breathtaking blue diamond cluster enshrouded in delicate interstellar reflection nebulosity.

M42 / NGC 1976 · Orion

Great Orion Nebula

Diffuse Emission Nebula

Star nursery harboring the brilliant Trapezium cluster with sprawling bat-wing filaments.

NGC 869 & NGC 884 · Perseus

The Double Cluster

Twin Open Clusters

Pair of spectacular shimmering jewel-boxes bursting with ruby supergiant stars.

M13 / NGC 6205 · Hercules

Great Globular Cluster in Hercules

Globular Cluster (300k stars)

Massive beehive of ancient stars packed tightly together into a blazing central ball.

M57 / NGC 6720 · Lyra

The Ring Nebula

Planetary Nebula

Delicate glowing smoke-ring left behind by a dying star 2,500 light-years away.